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Jagdpanzer
07-19-2011, 03:48 PM
Looking for a LT5 ignition module - GM part# 1103841
Last major part needed for the 402 CID stroker build.

LGAFF
07-19-2011, 04:42 PM
http://jerrysgaskets.com/store2/root/index.php?main_page=product_info&cPath=2_22&products_id=493

1 left

I know someone else who has some from the plant

Jagdpanzer
07-19-2011, 05:00 PM
Thanks Lee, I'm aware of this one at Jerry's but was hoping to find a latter 1103841 production one.

LGAFF
07-19-2011, 06:25 PM
Thanks Lee, I'm aware of this one at Jerry's but was hoping to find a latter 1103841 production one.

Oh you want to keep the 402 as original as possible, got it:icon_scra

ScottZ95ZR1
07-19-2011, 06:39 PM
Sent you a PM on the other forum, Phil.

LGAFF
07-19-2011, 10:23 PM
Is there a difference in the actual module....quality, pins, etc?

WVZR-1
07-19-2011, 11:01 PM
Is there a difference in the actual module....quality, pins, etc?

I'd think there must have been. The original preproduction ICM required an air-gap of something near .070 at the crank sensor I believe. That was accomplished with various thickness specialty shims. These early ICM's were reportedly used in only the first 500 production cars.

The early ICM was never offered as a service part. If an ICM failed it got the newer and the crank sensor's air-gap was adjusted

Whose got #501?